Glycolic 10 Renew Overnight improves the appearance of skin texture and tone for a brighter complexion and more radiant skin. This scientifically developed glycolic acid cream has a free acid value of 10% glycolic acid, meaning it works at true 10% concentration – optimal for promoting exfoliation and skin cell turnover. Synergistically blended with 2% phytic acid and a triple action comforting complex to help support the skin moisture barrier.